Foot rest



FIG. 1 is a top plan view of a foot rest showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is an end view of the outer end thereof;

FIG. 4 is an end view of the inner end thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a foot rest, as shown. 